Abstract:
OBJECTIVES:Remodeling of small resistance arteries is an early sign of target organ damage in hypertension. Peripheral capillary morphology abnormalities in hypertension are not well studied. The study objective was to determine whether altered capillary morphology is associated with SBP, DBP, or both in individuals without and with mild blood pressure elevation (SBP = 130-160 mmHg). Another objective was to determine whether capillary morphology is associated with minimum forearm vascular resistance, a measure of altered resistance artery structure. METHODS:Participants included 115 nonpregnant, nondiabetic individuals 23-55 years of age. A five-component morphology score (distribution, tone, configuration, hypertrophy, and extravasates) was developed to describe fingernail bed capillaries visualized using venous congestion in digital photomicrographs. Multiple linear regression models adjusted for age, sex, race, tobacco use, hyperglycemia, dyslipidemia, and renal function were used to analyze the relationship between SBP, DBP, and minimum forearm vascular resistance with the morphology score. RESULTS:The total morphology score was significantly associated with SBP and DBP as well as minimum forearm vascular resistance (P < 0.005 for all). Among the five individual morphology score components, hypertrophy was significantly associated with SBP and DBP (P = 0.002 and 0.001, respectively), whereas extravasates were significantly associated with SBP only (P = 0.002). CONCLUSION:A five-component capillary morphology score is associated with SBP, DBP, and altered resistance artery structure in individuals with and without mild blood pressure elevation. These observations suggest that target organ damage at the level of the microcirculation can be detected using capillary morphology.
journal_name
J Hypertensjournal_title
Journal of hypertensionauthors
Cheng C,Daskalakis C,Falkner Bdoi
10.1097/HJH.0b013e32833e113bsubject
Has Abstractpub_date
2010-11-01 00:00:00pages
2258-66issue
11eissn
0263-6352issn
1473-5598journal_volume
28pub_type
杂志文章abstract:BACKGROUND:Blood pressure (BP)-lowering trials studying efficacy mostly assesses binary outcome events, for example stroke/no stroke. Analysis of ordered categorical vascular events (e.g. three levels: fatal stroke/nonfatal stroke/no stroke) provides information on severity and is more powerful statistically than analy...
journal_title:Journal of hypertension
pub_type: 杂志文章
doi:10.1097/HJH.0b013e32833c7a32
更新日期:2010-10-01 00:00:00
abstract:OBJECTIVE:This study evaluated the impact of prolonged circulatory unloading and subsequent left ventricular (LV) mass decrease on LV myocardial performance. Five-week head-down tilt (-6°) bed rest (HDTBR) was used as a model of prolonged circulatory unloading. METHODS:Ten young healthy male volunteers (age 23 ± 2 yea...
journal_title:Journal of hypertension
pub_type: 杂志文章
doi:10.1097/HJH.0b013e32833f5e01
更新日期:2011-01-01 00:00:00
abstract:BACKGROUND:Patients with type-2 diabetes have a high prevalence of hypertension and show an elevated incidence of cardiovascular events and nephropathy. OBJECTIVES:Recent randomized trials of antihypertensive therapy providing information about cardiovascular and renal risk in diabetes, blood pressure goals and best s...
journal_title:Journal of hypertension
pub_type: 杂志文章,评审
doi:10.1097/00004872-200211000-00001
更新日期:2002-11-01 00:00:00
abstract:OBJECTIVE:In some patients with aortic stenosis left-ventricular hypertrophy exceeds what is needed to sustain the hemodynamic load imposed by the aortic stenosis, a condition named inappropriately high left-ventricular mass (iLVM). Although iLVM is associated with increased mortality after aortic valve replacement, pr...
journal_title:Journal of hypertension
pub_type: 临床试验,杂志文章,多中心研究
doi:10.1097/HJH.0b013e32834f0b00
更新日期:2012-02-01 00:00:00
abstract:BACKGROUND:International recommendations have classified brachial blood pressure (BP) in subgroups enabling better cardiovascular risk stratification. Central BP is an independent predictor of cardiovascular risk, differing from brachial BP through the predominant influence of arterial stiffness and wave reflections. C...
journal_title:Journal of hypertension
pub_type: 杂志文章
doi:10.1097/HJH.0b013e3282f16a9c
更新日期:2008-01-01 00:00:00
abstract:OBJECTIVE:Construction of prognostically relevant endpoints for clinical trials in hypertension has increasingly included coronary revascularization with myocardial infarction (MI) as manifestations of coronary artery disease. However, whether coronary revascularization and MI predict other cardiovascular events simila...
journal_title:Journal of hypertension
pub_type: 临床试验,杂志文章
doi:
更新日期:2010-06-01 00:00:00
abstract:OBJECTIVE:To test the hypothesis that sleep-related breathing disorder (SRBD) is associated with increasing severity of cardiovascular risk markers. DESIGN:A cross-sectional study of sleep laboratory patients. SETTING:University Hospital Sleep Disorders Centre. PATIENTS:We studied 591 patients referred for a sleep s...
journal_title:Journal of hypertension
pub_type: 杂志文章
doi:10.1097/00004872-200104000-00004
更新日期:2001-04-01 00:00:00
abstract:OBJECTIVE:To compare the effects of a cardioselective beta-blocker (nebivolol) with those of an angiotensin-converting enzyme inhibitor (enalapril) on parameters of insulin sensitivity, peripheral blood flow and arterial stiffness during one extended glucose clamp experiment. DESIGN:A randomized, double-blind crossove...
journal_title:Journal of hypertension
pub_type: 杂志文章,随机对照试验
doi:10.1097/01.hjh.0000234121.48272.67
更新日期:2006-07-01 00:00:00
abstract:OBJECTIVE:Smoking is a risk factor for increased carotid artery intima-media thickness (IMT). The apolipoprotein E (apoE) 4 allele has been associated with cardiovascular diseases, but the role of apoE in regard to intima-media thickness (IMT) has remained controversial. The objective was to investigate whether there i...
journal_title:Journal of hypertension
pub_type: 杂志文章
doi:10.1097/00004872-200212000-00015
更新日期:2002-12-01 00:00:00
abstract:OBJECTIVE:To identify predictors of pregnancy-induced hypertension and pre-eclampsia in 212 nulliparous women before 20 weeks' gestation and at approximately 28 weeks' gestation. STUDY DESIGN:A randomized, prospective study in a teaching hospital. We performed standardized measurements of systolic and diastolic arteri...
journal_title:Journal of hypertension
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1097/00004872-199816020-00013
更新日期:1998-02-01 00:00:00
abstract:BACKGROUND:Left ventricular (LV) hypertrophy, arterial hypertension and end-stage renal disease (ESRD) are associated with deranged cardiac parasympathetic regulation and increased cardiovascular risk. These conditions often co-exist but little is known about the relative contribution of LV mass, arterial blood pressur...
journal_title:Journal of hypertension
pub_type: 杂志文章
doi:10.1097/00004872-200308000-00020
更新日期:2003-08-01 00:00:00
abstract:BACKGROUND:Cross-sectional studies of the association between hypertension (HTN) and brain atrophy have shown reductions in prefrontal, temporal, and hippocampal volumes, and have identified thinner cortices across the cortical mantle. METHOD:In the current study, we followed 96 participants enrolled in the Baltimore ...
journal_title:Journal of hypertension
pub_type: 杂志文章
doi:10.1097/HJH.0000000000000531
更新日期:2015-06-01 00:00:00
abstract:OBJECTIVE:In short-term feeding trials, replacement of other macronutrients with monounsaturated fatty acid reduces blood pressure. However, observational studies have not clearly demonstrated a relationship between monounsaturated fatty acid intake and blood pressure. We report associations of monounsaturated fatty ac...
journal_title:Journal of hypertension
pub_type: 杂志文章,多中心研究,随机对照试验
doi:10.1097/HJH.0b013e3283604016
更新日期:2013-06-01 00:00:00
abstract:OBJECTIVE:Transport activities of cardiac sodium-calcium exchange and sarcoplasmic reticulum calcium ATPase were measured biochemically in spontaneously hypertensive rats (SHR) with hypertrophied myocardium and in normotensive Wistar-Kyoto (WKY) rats and it was tested whether possible differences have consequences for ...
journal_title:Journal of hypertension
pub_type: 杂志文章
doi:10.1097/00004872-199511000-00014
更新日期:1995-11-01 00:00:00
abstract::Emotional stress acutely and repetitively causing blood pressure increase or aggravating existing hypertension is usually not reflected by norepinephrine and epinephrine increase but by a sudden rise of dopamine, the third "defensive" catecholamine coping with the damaging neuropsychological and cardiovascular actions...
journal_title:Journal of hypertension
pub_type: 历史文章,杂志文章
doi:10.1097/01.hjh.0000052462.40108.fb
更新日期:2003-03-01 00:00:00
abstract:OBJECTIVES:Strong evidence has secured aging as a powerful predictor of both cardiovascular risk and endothelial dysfunction, yet specific treatment is not available. We tested the hypothesis that vascular responsiveness to flavanol-rich cocoa increases with advancing age. We have previously shown that flavanol-rich co...
journal_title:Journal of hypertension
pub_type: 杂志文章
doi:10.1097/01.hjh.0000239293.40507.2a
更新日期:2006-08-01 00:00:00
abstract:BACKGROUND:Self-measurement of blood pressure (BP) is increasingly being used for the diagnosis of hypertension and to monitor BP at home. Whenever compared with ambulatory BP measurements, home BP values are frequently higher and less predictive for incident cardiovascular events. We hypothesized that this could be ca...
journal_title:Journal of hypertension
pub_type: 杂志文章
doi:10.1097/HJH.0000000000001775
更新日期:2018-09-01 00:00:00
abstract:OBJECTIVE:Epidemiological studies suggest that intrauterine growth restriction (IUGR) due to maternal undernutrition during pregnancy represents a major risk factor for hypertension and diabetes in adult age. However, placental insufficiency, rather than maternal malnutrition, is the main cause of IUGR in the Western w...
journal_title:Journal of hypertension
pub_type: 杂志文章
doi:10.1097/00004872-199917090-00002
更新日期:1999-09-01 00:00:00
abstract:OBJECTIVE:To investigate the relationship between admission SBP and subsequent cardiovascular and all-cause mortality in older patients hospitalized for acute coronary syndrome (ACS). METHODS:This is a retrospective observational study. Data from the CBD Bank (Cardiovascular Center Beijing Friendship Hospital Database...
journal_title:Journal of hypertension
pub_type: 杂志文章
doi:10.1097/HJH.0000000000002737
更新日期:2020-11-16 00:00:00
abstract:OBJECTIVE:To compare estimates of mean population salt intake in North and South India derived from spot urine samples versus 24-h urine collections. METHODS:In a cross-sectional survey, participants were sampled from slum, urban and rural communities in North and in South India. Participants provided 24-h urine colle...
journal_title:Journal of hypertension
pub_type: 杂志文章
doi:10.1097/HJH.0000000000001464
更新日期:2017-11-01 00:00:00
abstract:OBJECTIVES:To investigate the influence of angiotensin II (All) receptors in isolated hepatic nuclei on other genes regulated by All and to determine whether the function of these intracellular receptors is influenced by alterations in the endocrine renin system. METHODS:Nuclei were isolated from hepatic tissue of nor...
journal_title:Journal of hypertension
pub_type: 杂志文章
doi:
更新日期:1996-08-01 00:00:00
abstract::Graft-prosthesis and stentgraft placements are effective modalities for treating abdominal aortic aneurysm, but related changes in arterial stiffness are not well established. The present study sought to assess aortic stiffness after aneurism repair by measuring pulse wave velocity (PWV). The graft-related variation o...
journal_title:Journal of hypertension
pub_type: 杂志文章
doi:10.1097/HJH.0b013e3283299b22
更新日期:2009-06-01 00:00:00
abstract:OBJECTIVE:To compare the effects of the angiotensin II receptor antagonist candesartan with the angiotensin-converting enzyme inhibitor enalapril on myocardial fibrosis evaluated by echoreflectivity analysis. METHODS:Hypertensive patients (n = 196) with echocardigraphically documented left ventricular hypertrophy were...
journal_title:Journal of hypertension
pub_type: 杂志文章,随机对照试验
doi:10.1097/HJH.0b013e3283232838
更新日期:2009-03-01 00:00:00
abstract:BACKGROUND:Constitutional hypotension (CHT) is defined as a SBP below 105 mmHg. As autonomic-related symptoms are frequently reported in CHT, these symptoms suggest that the cardiovascular autonomic control is perturbed in individuals with CHT. METHODS:We investigated the autonomic cardiovascular control of 15 women w...
journal_title:Journal of hypertension
pub_type: 杂志文章
doi:10.1097/HJH.0000000000001790
更新日期:2018-10-01 00:00:00
abstract:OBJECTIVE:Secondary activation of the renin-angiotensin system plays a major role in the progression of chronic nephropathies, and blockade of endothelin (ET) receptors has been shown to confer nephroprotection in experimental models of proteinuric renal disease. We tested the nephroprotective potential of selective en...
journal_title:Journal of hypertension
pub_type: 杂志文章
doi:10.1097/00004872-200312000-00028
更新日期:2003-12-01 00:00:00
abstract:OBJECTIVES:Nonsteroidal anti-inflammatory drugs vary in their impact on blood pressure and the effect of lumiracoxib 100 mg once daily has not been studied previously. To examine whether lumiracoxib 100 mg once daily would result in lower 24-h mean systolic ambulatory blood pressure than ibuprofen 600 mg three times da...
journal_title:Journal of hypertension
pub_type: 杂志文章,多中心研究,随机对照试验
doi:10.1097/HJH.0b013e328302c9fe
更新日期:2008-08-01 00:00:00
abstract::The purpose of the present study was to characterize the etiology of bilateral perinephritis hypertension in the non-human primate. Hypertension was induced in female cynomolgus (Macaca fascicularis) monkeys by wrapping both kidneys under sterile surgical procedures. Mean arterial pressure (MAP), plasma renin activity...
journal_title:Journal of hypertension
pub_type: 杂志文章
doi:
更新日期:1989-09-01 00:00:00
abstract:OBJECTIVES:Several genome-wide scans recently accomplished in the ethnic Chinese revealed a number of candidate loci possibly contributing to essential hypertension, and some appeared to be replicable in 2q14-q23 and 5q32. The current study aimed to examine the linkage of qualitative and blood pressure quantitative tra...
journal_title:Journal of hypertension
pub_type: 杂志文章
doi:10.1097/00004872-200302000-00021
更新日期:2003-02-01 00:00:00
abstract:OBJECTIVE:The aim of this study was to define the relationship between physical activity and the magnitude of the percentage fall in blood pressure at night (nocturnal dip). METHODS:We simultaneously monitored 24-h ambulatory blood pressure and measured physical activity by actigraphy in 434 patients. Blood pressure w...
journal_title:Journal of hypertension
pub_type: 杂志文章
doi:10.1097/00004872-200018040-00008
更新日期:2000-04-01 00:00:00
abstract:OBJECTIVE:Recent studies implied that angiotension receptor blockers (ARBs) not only have an antihypertensive effect but also have beneficial effects on dementia. The purpose of this study was to investigate the effects of ARBs on dementia and the subtypes. METHODS:We conducted a population-based cohort study with dat...
journal_title:Journal of hypertension
pub_type: 杂志文章
doi:10.1097/HJH.0000000000000086
更新日期:2014-04-01 00:00:00